report :
	g++ -o B_1 B_1.cpp
	g++ -o B_2 B_2.cpp
	g++ -o B_3 B_3.cpp
	g++ -o B_4 B_4.cpp
	g++ -o C C.cpp
	g++ -o D D.cpp
	g++ -o E E.cpp
	g++ -o F_1 F_1.cpp
	g++ -o F_2 F_2.cpp
	g++ -o F_3 F_3.cpp
	./B_1 >> report.txt
	./B_2 >> report.txt
	./B_3 >> report.txt
	./C >> report.txt
	./D >> report.txt
	./E >> report.txt
	./F_1 >> report.txt
	./F_2 >> report.txt
	./F_3 >> report.txt
